1 files changed, 56 insertions, 0 deletions
diff --git a/eyeware-beam-sdk/API/python/tracker_sample.py b/eyeware-beam-sdk/API/python/tracker_sample.py
new file mode 100644
index 0000000..4291b3b
--- /dev/null
+++ b/eyeware-beam-sdk/API/python/tracker_sample.py
@@ -0,0 +1,56 @@
+"""
+  Copyright (c) 2021 Eyeware Tech SA http://www.eyeware.tech
+
+  This file provides an example on how to receive head and eye tracking data
+  from Beam SDK.
+
+  Dependencies:
+  - Python 3.6
+  - NumPy
+"""
+
+from eyeware.client import TrackerClient
+import time
+import numpy as np
+
+# Build tracker client, to establish a communication with the tracker server (an Eyeware application).
+#
+# Constructing the tracker client object without arguments sets a default server hostname and port which
+# work fine in many configurations.
+# However, it is possible to set a specific hostname and port, depending on your setup and network.
+# See the TrackerClient API reference for further information.
+tracker = TrackerClient()
+
+# Run forever, until we press ctrl+c
+while True:
+    # Make sure that the connection with the tracker server (Eyeware application) is up and running.
+    if tracker.connected:
+
+        print("  * Head Pose:")
+        head_pose = tracker.get_head_pose_info()
+        head_is_lost = head_pose.is_lost
+        print("      - Lost track:       ", head_is_lost)
+        if not head_is_lost:
+            print("      - Session ID:       ", head_pose.track_session_uid)
+            rot = head_pose.transform.rotation
+            print("      - Rotation:          |%5.3f %5.3f %5.3f|" % (rot[0, 0], rot[0, 1], rot[0, 2]))
+            print("                           |%5.3f %5.3f %5.3f|" % (rot[1, 0], rot[1, 1], rot[1, 2]))
+            print("                           |%5.3f %5.3f %5.3f|" % (rot[2, 0], rot[2, 1], rot[2, 2]))
+            tr = head_pose.transform.translation
+            print("      - Translation:       <x=%5.3f m, y=%5.3f m, z=%5.3f m>" % (tr[0], tr[1], tr[2]))
+
+        print("  * Gaze on Screen:")
+        screen_gaze = tracker.get_screen_gaze_info()
+        screen_gaze_is_lost = screen_gaze.is_lost
+        print("      - Lost track:       ", screen_gaze_is_lost)
+        if not screen_gaze_is_lost:
+            print("      - Screen ID:        ", screen_gaze.screen_id)
+            print("      - Coordinates:       <x=%5.3f px,   y=%5.3f px>" % (screen_gaze.x, screen_gaze.y))
+            print("      - Confidence:       ", screen_gaze.confidence)
+
+        time.sleep(1 / 30)  # We expect tracking data at 30 Hz
+    else:
+        # Print a message every MESSAGE_PERIOD_IN_SECONDS seconds
+        MESSAGE_PERIOD_IN_SECONDS = 2
+        time.sleep(MESSAGE_PERIOD_IN_SECONDS - time.monotonic() % MESSAGE_PERIOD_IN_SECONDS)
+        print("No connection with tracker server")